package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

/**
 * 使用预编译SQL完成更新操作
 * 根据id修改用户的密码吗，昵称，年龄
 */
public class Demo10 {
    public static void main(String[] args) {
        try (Connection connection = DBUtil.getConnection();){
            String sql = "UPDATE user " +
                        "SET password = ?,nickname = ?,age = ? " +
                        "WHERE id = ? ";
             PreparedStatement ps = connection.prepareStatement(sql);
             ps.setString(1,"147258");
             ps.setString(2,"老三");
             ps.setInt(3,23);
             ps.setInt(4,2);
             int num = ps.executeUpdate();
            System.out.println(num>0?"修改成功":"修改失败");
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
